CVE-2020-35931
Last modified
CVE-2020-35931 is a high-severity vulnerability rated 7.8/10 on the CVSS scale. An issue was discovered in Foxit Reader before 10.1.1 (and before 4.1.1 on macOS) and PhantomPDF before 9.7.5 and 10.x before 10.1.1 (and before 4.1.1 on macOS). An attacker can spoof a certified PDF document via an Evil Annotation Attack because the products fail to consider a null value for a Subtype entry of the Annotation dictionary, in an incremental update.. EPSS estimates a 2.29% chance of exploitation in the next 30 days.
Description
An issue was discovered in Foxit Reader before 10.1.1 (and before 4.1.1 on macOS) and PhantomPDF before 9.7.5 and 10.x before 10.1.1 (and before 4.1.1 on macOS). An attacker can spoof a certified PDF document via an Evil Annotation Attack because the products fail to consider a null value for a Subtype entry of the Annotation dictionary, in an incremental update.
Metrics
CVSS:3.1/AV:L/AC:L/PR:N/UI:R/S:U/C:H/I:H/A:H
Weakness Enumeration
Affected Software
| Vendor | Product | Versions |
|---|---|---|
| Foxitsoftware | Foxit Reader | < 10.1.1 |
| Foxitsoftware | Phantompdf | < 9.7.5 |
| Foxitsoftware | Phantompdf | >= 10.0.0, < 10.1.1 |
| Foxitsoftware | Foxit Reader | < 4.1.1 |
| Foxitsoftware | Phantompdf | < 4.1.1 |
References
- https://www.foxitsoftware.com/support/security-bulletins.htmlPatch, Vendor Advisory
- https://www.foxitsoftware.com/support/security-bulletins.htmlPatch, Vendor Advisory
Timeline
- Published
- Last Modified
- Status
- Modified
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How Strix Helps
- How Strix found a critical auth bypass in etcdStrix autonomously discovered a critical authentication bypass in etcd, later designated CVE-2026-33413.
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